Full Description

This document specifies the test methods for determining the efficiency of filters at their most penetrating particle size (MPPS). It also gives guidelines for the testing and classification for filters with an MPPS of less than 0,1 m (AnnexB) and filters using media with (charged) synthetic fibres (AnnexC). It is intended for use in conjunction with ISO29463 1, ISO29463 2, ISO29463 3 and ISO29463 4.